#include<stdio.h>
int main()
{
	double a;
	char b;
	scanf("%lf %c", &a, &b);
	printf("%.2lf\n", a);
	printf("%d\n", b);
	printf("%.2lf %.2lf\n", a);
	printf("%.2lf\n", a, b);
	return 0;
}
